wyman



(No Model.)

4 Sheets-Sheet 1. H. WYMA-N. SWIVEL LOOM.

PatentedApr. 'L 1891.

rn: mams refus cu., muro-mno., wmmowu, o. c.

(No Model.) v 4 Sheets-Sheet 2.

l H. WYMAN. SWIVEL LOOM.

No. 449,799. PatentedA-pr. 7,1891.

HULP Ln.

(NQ Model.) 4 Sheets-Sheet 3.

H. WYMAN. SWIVEL LOOM.

No. 449,790. l PatBntedApI. 7, 41891.

, 4 Sheets- Sheet 4. H.' WYMAN.

(No Model.)

SWIVEL LOOM.

No. 449,790. Patented Apr. '7, 1891.-

QM a Mm;

UNITED STATES PATENT AOEEICE.

HORACE WYMAN, OF \VOROESTER, MASSACHUSETTS, ASSIGNOR TO THE OROMPTONLOOM VORKS, OF SAME PLACE.

SWIVEL-LOOM.

SPECIFICATION forming part 0f Letters Patent No. 449,790, dated April 7,1891.

Application filed .Tune 27, 1890. Serial No. 356,944. (No model.)

To all whom, it may concern.-

Be it known that I, HORACE VYMAN, of lVoi'cester, county of lVorcester,State of Massachusetts, have invented an Improvement in Swivel-Looms, ofwhich the following descriptiom'in connection with the accompanyingdrawings, is a specification, like letters and figures on the drawingsrepresenting like parts.

This invention has for its object to improve and simplify that class oflooms wherein aV regularly-woven fabric is provided at intervals withspots or figures formed by threads carried by what are calledswivel-shuttles,7 the latter at the proper times, according to thefigure to be woven, being automatically placed in position to enable thethreads carried b'y them to be interwoven with some of the warp-threadsfor one or more picks while the figure or spot is being woven, theregular shuttle of the loom at such time remaining in its box while theswivel-shuttle acts. The swivel -shuttle race has combined with itmechanism whereby it may be raised and lowered in the proper time inorder, and also to be shogged laterally to alternate the location of thefigures to be produced by the swivel-shuttles, according t-o thelocation of the figures or spots on the fabric. The shogging-framecarrying the race for the swivelshutt'les derives its vertical movementfrom a crank-pin; but it may be an eccentric attached to anintermittingly-rotating shaft and intermediate connections, the saidcrankshaft deriving its movement, as herein shown, from a pinion havingone or more sliding or clutch-like teeth and a partially-toothed gear.The rack which imparts movement to the gear to actuate theswivel-shuttles, as herein shown, is also moved by or through anintermittingly-rotatin g crank-pin on a shaft which derives its motionin substantially the same manner as the shaft which raises the framecarrying the swivel-shuttle race, the said intermittingly-rotatingshafts being moved in such time and order with relation each to theother as to enable the swivel-shuttle race to remain down in positionwhile the swivelshuttles are passed through the shed,bothintermittingly-rotating shafts remaining at rest and theswivel-shuttle race elevated while the regular shuttle employed to laythe weft for the body of the fabric is operated. The shogging motiongiven to the swivel-shuttle race is also derived in like manner from acrank-pin actuated by an intermittingly-rotating shaft, and for greatercompactness of parts the said intermittin gly-rotatin g shafts arearranged parallel to each other and aboutthe partial gears for actuatingthem. The time and order of the engagement and disengagement of theclutch-pinions and partially-toothed gears are determined by or throughusual pattern mechanism, which in practice controls the formation of thesheds.

By the term crank as herein used it is intended to include itsequivalent, an eccentric.

Figure l is a partiallongitudinal section of a swivel-shuttle loomembodying my invention, the section being taken on the line x, Fig. 2,the shuttle-boxes being omitted. Fig. 2 is a partial cross-section of aloom containingmy invention, the said section being to the right of theline w', Fig. l, and the View being from the left in Fig. l, theshuttle-boxes and their actuating mechanism being partially broken offto save space upon the drawings. Fig. 3 is an enlarged sectional detail,looking toward the left from the dotted line x', Fig. l. Fig. etisapartial plan view of the lathe and the frame for carrying theswivelshuttles, and means for actuating them. Fig. 5 is an enlargeddetail showinga partial front elevation of the upper part of the latheand the swivel-shuttle raceway. Fig. 6 is a detail, to be described,taken from the front of the loom, the said figure showing the cranks,which are attached to the intermittinglyrotating shafts employed toraise and lower the frame which carries the raceway for theswivelshuttles, for reciprocating the swivel-shuttles, and for shoggingthe said raceway. Fig. 7 is an enlarged plan view taken from the rear ofthe machine, chieiiy IOO looking at Fig. '7 in the direction of thearrow thereon; and Fig. 9 shows one of the clutch-gears by itself, itsmovable teeth being pushed out of line with relation to its station aryteeth.

The frame-work A, having a breast-beam A', the lay B, having at each endsuitable guides for the reception of shifting shuttleboxes, each set ot'shuttle-boxeshavingin practice an attached rod B', extended through asuitable guide B2, and having connected to it a link B3, joined in usualmanner toashuttlebox lever-such, for instance, as shown in United StatesPatent No. 402,122; and the crank-shaft B5, the connecting-rods Bbetween it and the lathe, the main or picking shaft B7, and the gears BSand 39, (shown by dotted lines only in Fig. 1,) to connect the saidshafts so that one may be rotated from the other, are and may be all ascommon in said patent.

In the loom herein to be described itwill be understood that theshifting shuttle-boxes B4 will be actuated in the proper time and orderaccording to the pattern to be woven, all as provided for in the saidpatent; but it is obvious that the invention would be the same shouldthe shuttle-box levers at opposite ends of the lathe be actuated by anyother usual mechanism employed for such purpose and under the control ofa patternsurface.

lt will be understood that the warp in the loom to be herein describedwill be shed by any usual mechanism, either the mechanisms common tofancy looms or to Jacquard looms.

The picker-shaft BT referred to will in practice carry picker-arms orbowls, with which maybe combined any usual mechanism which is adapted tocause the said arms or bowls to be temporarily thrown out of operativeposition when it is desired to leave at rest the usual picker-stick,(not shown,) but which in practice willbe such as employed in the loomdescribed in the patent referred to, so that the said picker-sticks mayremain inoperative during such times as it is desired that the mainshuttle or shuttles (shown by dotted lines at, the left in Fig. 2 andemployed to carry the weft for the foundation of the fabric being woven)shall remain in their shuttie-boxes while the swivel-shuttles, to bedescribed, are actuated to put their threads into the sheds.

l have considered it unnecessary to represent the picking mechanism,because it may be of any suitable or usual construction-as, forinstance, as in United States Patent No. 169,24S.

The lower shaft BT, in accordance with this invention, is provided witha beveled pinion a, which engages a beveled g'ear a', mounted upon astud a2, held in abearing in a suitable stand a3. The beveled gear a hasconnected to it at its rear side two partial gears b c, the partial gearc being preferably adjustably connect-ed to the gear b by a suitablebolt or bolts a" in slots ai of the gear c, as shown in Fig. S. Thepartially-toothed gear b, as represented, has at substantiallydiametricallyopposite points series of teeth 2, (herein shown as sevenin number each,) there being long blank spaces 3 4between the saidseries of teeth. The partially-toothed gear c, as herein represented,has four series of teeth Ll, each series containing seven teeth, therebeing untoothed spaces 4X and 5 on the said gear c bctween its series ofteeth 4, the spaces 5 being longer than the spaces 4X. Clustered aroundthe partial gears referred to are the crankshafts (l e f. Thecrank-shafts l e derive theirintermitting motion (herein supposed to bea half-rotation) through the teeth 2 of the partially-toothed gear b,which engage the clutch-pinions d e', each fixed to its own propershaft. The shaft f derives its intermittingu rotation from the teeth fiof the partial gear c.

The pinions d e f are grooved at diametrically-opposite points toreceive sliding clutch-teeth cl2 e2f2 in pairs, each set of clutchteethextending from parallel arms of sliding collars d3, ei, or f3, loose onone of the shafts d, e, or f. Then the clutch-teeth on these arms are inline with the teeth of the pinion in which the arms slide, then eachsuch pinion will be rotated by the teeth of the gear b or c, but when asaid sliding collar is moved to slide the arms and remove theclutch-teeth from position in line with the teeth of the said pinion,then the said pinion will be out of mesh with the teeth of the gearwhich otherwise actuate it. In Fig. 7 the clutchteeth cl2 of the pinionCZ are out of line with the teeth of the said pinion, and theclutchteeth f2 e2 of the pinions f e are in line with the teeth of thesaid pinions, the pinion cl being supposed to be at rest. Each collar dic3 f3 has an annular groove which is entered by a suitable roller orother stud by which to slide the said collar on the shaft on which it ismounted. The roller-stud (Z5 (shown best in Figs. 7 and S as enteringthe groove ot' collar d3) is mounted upon a rocking arm Il, supported bya stud dT of a stand di, the said rocking arm having connected to itsopposite ends suitable wires, as (Z9 d10, which in practice may becarried up to and connect with usual fingers extended over apattern-chain, such as represented in United States Patent No. 227,667,so that in the rotation of the said pattern-chain certain rollers orprojections thereon will cause the said arm d to be rocked in one or theother direction' to place the clutch-teeth (Z2 in line with the teeth ofthe pinion d to be engaged bythe teeth 2 of the gear b, or to move thesaid clutch-teeth outof line with said teeth, as represented by the fulllines, Fig. 7, the clutch-teeth cl2, when shifted out from the line ofmovement of the teeth of the pinion b, causing the pinion d to remain atrest after the teeth of the partial gear Z1 shall have run out of meshtherewith, the said pinion remaining at rest until the said clutchlOOIIO

IIS

Mateo teeth, by or through the actionof the pattern mechanism moved inunison with the usual shed forming mechanism, places the saidclutch-teeth d2 back into line with the teeth of the pinion d. Thecollars f3 es have respectively clutch-teethf2 ewhich reciprocate withthe gears f e; but the acting portions of the clutch-teeth f2 are at theinner ends of the arms carrying them, rather than at the outer ends ofthe arms, as is the case with the teeth e2 d2. The grooves in thecollars fS e3 are entered,respectively,by roller-studs 50 60, (see Fig.1,) carried by arms 7 8 on a verticallyplaced rock-shaft 9, having onits lower end (see Fig. 1) an arm 10, with which are counected two likecords 12 12X, (both shown in Fig. 7,) extended over suitable sheaves, as13, mounted upon a bracket 14, attached to a suitable -girt l5 of theloom-frame, the said cords being in practice extended up to andconnected with fingers resting upon a pattern-chain, as before referredto, so that when the said cords are moved the said clutch-teeth,co-operating with the gears e and f, will be simultaneously moved intoor out of line with the teeth of their respective pinions. sired, thecords referred to, as well as the wires d and d10, may be joineddirectly to any usual hook or connection of a jacquard, so as to belifted and lowered atthe proper time. Two of the series of teeth at ofthe partially-toothed gear c are arranged quite close together, asrepresented at the upper and lower sides of the said gear in Fig. 3, thespaces 4.x at the upper and lower sides of the said gear, as shown inthe said figure, being shorter than the spaces 5, for in practice, asherein provided for, it is intended that the shaftf, having the pinionf', be left at rest just long enough after it has been given ahalf-rotation to depress the swivel-shuttle frame to permit the shaft eto actuate the swivel-shuttles, and then the shaft j is again startedquickly to elevate the swivel-shuttle frame, to be described, it againremaining at rest while the clutch-teeth are opposite the long spaces 5,at which time the regular shuttle will be thrown across through the shedfrom one to the other shuttle-box.

In practice it will be understood that should the gear c be made smallenough it need have but two series of teeth and one space 4X and onespace 5, the gear f being properly proportioned, or, in other words,this invention is not limitedto the number of series of teeth upon anyone gear. Shaft CZ has at its front end a crank-pin 20, to which isconnected links 16617, in turn jointed to the lower ends of theshogging-levers ds Clfhaving their fulcra at 2l 21 in suitable earsattached to the rear side of the lay. (See Fig. 2. These shogging-levershave at their upper ends suitable bearings 22 for the reception of likeshafts 23, provided at their rear ends with pulleys 2a and at theirfront ends with pulleys 25, the pulleys 24 having connected to them oneend of a strap 2G, which, after being passed overand undersheaves 27 27X and 28, are connected to a block 29, mounted loosely upon a crank-pin30 at the front end of the shaft e, the said shaft in its intermittingrotation oscillating the shafts 23 through the straps 2G referred to.The pulley 25 is represented as made integral with the shaft 23, thelatter being reduced in diameter a short distance from the pulley 25, soas to leave a shoulder on the shaft 23 to abutagainst the guide 127,fast to the end of the bearing 22. Fig. 4 shows the bearing somewhatbroken out, the reduced part of the shaft being indicated by dottedlines. The frontend of the shaft f has a suitable crank-pin f3, whichreceives upon it a link f4, jointed to a cross-beam f5, to the oppositeends of which are secured two like rods f6, which at their upper endsupport a crossbar f7, the ends of the said cross-bar being fitted intoand so as to slide in ways f8, secured to upper ends of the swords ofthe lay. The cross-bar]L17 is slotted, as at 24X, to receive and act asa guidev for blocks f, attached by screws 25 to the shog ging-bar flo,portions of the said blocks itting the said slots, the blocks beingshorter than the slots, so that they may travel therein when theshogging-bar is moved longitudinally. The shogging-bar, supported by thecross-barf7 through the medium of the said blocks, has at each end anupright 126, which enters an annular groove in the collar 127, securedon the front end of the bearing 22, the said collar acting as a guidefor the ends of the shogging-bar in its vertical movement, it beingunderstood that when the crankshaft d is rotated half-way around that itturns the shogging-levers upon their fulcra and causes the shogging-barto be carried to the right or to the left, so as to bring theguring-shuttles g into working position in the Warps at the points wherethe spot or figure is to be worked into the foundation fabric. Thepulleys 25, connected to the ends of the rock-shafts 23 nearest thebreast-beam, have connected to them straps g, which are attached to pinsg. at the opposite ends of the rack-bar g2, toothed at its under sideand adapted to engage and rotate the pinions g3, pivoted at g4 uponsuitable plates g5 of such IOO IIO

shape in cross-section (see Fig. l) that a series of such platesconstitutes the raceway for the swivel-shuttles gli, or, in other words,the raceway in which the swivel-shuttles slide is broken up intosections, so as to leave spaces, as g7,.into which may be lifted the.warps which are to be raised when the swivelshuttles are to operate tolay their threads into the fabric to form a spot or figure, as commonlypracticed in narrow ware looms. The plates constituting the shuttle-racefor the swivel-shuttles are connected directly to the shogging-bar f 10,and the rack-baris kept in place by a cap-bar g1". Each of the shafts d,e, and f referred to have near their front ends suitable locking-pins orprojections, as 29, with which co-operate suitable like locking devicesQ30, (shown as levers,) pivoted at one end upon a suitable stand, and asacted upon near one end by a suitable spring 33, the spring normallyserving to keep the locking-levers against the said pins to hold theshafts in any position in which they may be left by the gears b and c.Assuming that the crank-pins 2O and 30 and f of the shafts d, e, andfarein the position shown in Fig. G, and that the cross-bar f5 has been putinto substantially its lowest position, thus carrying the swivel-shuttlerace down toward the usual raceway of the lay, placing theswivelshuttles in position to be actuated and carried through the shedin which they are to work. In this position it will be understood thatthe clutch-teeth of the pinion (l stand in the full-line position, Fig.7, out of line with the teeth of the pinion, and that the clutchteeth ofboth the gears e f are in line with the series of teeth of the saidgears, and that one of the series of teeth of the pinion f is justruiming out of mesh with one of the series of teeth of the gear c, andthat the leading tooth of one of the series of teeth 2 is just cominginto position to engage and rotate the gear e and the shaft e, now inthe further movement of the loom, and while the tooth f2 travels in thespace atx the shaft f will remain at rest, leaving the swivel-shuttleracc down, so that as the leading tooth 2 of gear Z1 strikes theclutch-tooth e2 it will rotate the shaft e and cause it, through thestraps referred to and rock-shafts 23, straps y, and rack-bar g2, tomove the swivel-shuttles across the spaces in the swivel-shuttle race,and through the sheds for the swivelshuttles, and as soon as theshuttles are so moved, or while they are moving, the clutchtooth f 2 isagain engaged by the advancing series of teeth on the gear o, whichquickly rotates the pinion f', shaft f, and crank-pin f" to raise theswivel-shuttle race, and this done, the series of teeth run out of meshwith the pinion f', and the series of teeth 2 also run out of mesh withthe gear e on the picking-shaft e, causing both the shafts e andf to bestopped temporarily, while the usual picking mechanism acts to cause oneof the regular shuttles of the loom to be shot across from one to theother shuttle-box. This operation is continued, the swivel-shuttle racebeing lowered and left down long enough to enable the swivel-shuttles tobe moved, and then the said shuttlerace is lifted and kept up longenough to permit the regular shuttles of the loom to be put through theshed. IVhen, however7 it is desired to start the swivel-shuttle race soas to weave the ornamental iigure or spot in another part of the warp orat one side of the line in which the figure has just been made, then theclutchteeth d2 of the pinion d are moved in from their full-lineposition, Fig. 7, so as to be in the line with the series of teeth ofthe pinion cl', so that the teeth of the partial gear b may engage androtate the said pinion for half a rotation, the clutch-teeth being thenagain thrown out of position, so as to leave the shaft d at rest untilthe new figure or spot has been woven.

Prior to my invention I am not aware that the swivel-shuttle race, orthat the shoggingbar, or that the rack-bar for moving swivelshuttleshave ever derived their movement from an intermittingly-rotatingcrank-pin, so this invention is not limited to the exact form of partialor mutilated gear shown or to the exact form of means or devices bywhich to impart to the crank-pins f3, 20, and 30 an intermittingrotation, and instead of the devices shown for such purpose I may employany other known mechanism by which to impart intermitting movement, asdescribed, at the proper time to the crank-pins 2O or 30 or f3, andinstead ot the particular form of gear herein shown I may employ anyother wellknown partial or mutilated or clutch gears, many forms ofwhich are at present employed in connection with shifting shuttle-boxmechanisms and harness mechanisms of looms, and instead of arranging ina circle, as on gears b c, the series of teeth which actuate the pinionson the shafts d, e, and f, I may place the said series of teeth uponsliding racks, substantially as in United States Patent No. 264,59t.

It is obvious that by the use of shifting shuttle-boxes one cell of theshuttle-boxes without a shuttle may be placed in line with the race ofthe lay whenever it is desired to let the swivel-shuttles work, and atsuch time should the picker-sticks be actuated no harm could be done,for the cell in operative position is without a shuttle. Thus it will beseen that the shifting bowls referred to and pickersuspending mechanismmay be omitted. In this latter plan the blank cell of the shiftingshuttle will have a binder so shaped or positioned as to remain out asthough a shuttle was in that cell.

It will be understood in the case of the pinion f', while the actingparts of the teeth are next the annular grooved hub or collar, that ifthe said teeth were not provided with arms or projections to remain inengagement with the grooves in the pinion f when the teeth are drawnback away from the position shown in Fig. 7, that the connection betweenthe teeth and the gear would be broken and might be difficult to mal-Ieagain when the teeth flf2 were to be put in line.

I claiml. A loom containing the following instrumentalities, viz: a lay,a swivel-shuttle race, an intermittingly-rotating crank-pin, andintermediate connections to raise and lower the said swivel-shuttlerace, whereby the swivelshuttles may be placed in position at the propertime with relation to the warp to enable ornamental iigures or spots tobe woven into the body of the fabric, substantially as described.

2. A loom containing the following instru- IOO IIO

IIS

mentalities, viz: a swivel-shuttlerace adapted to receive a series ofswivel-shuttles, a crank-pin, means to operate the same internnttlngly,intermediate connections between the said crank-pin and the saidswivel-shuttle race to raise and` lower the latter, and means,substantially as described, to actuate the said swivel-shuttles.

4. In a loom, the following instrumentalities, viz: a lay, aswivel-shuttle race, a shogging-bar to which it is attached, a cross-barto support the said shogging-bar, a crank-pin, means to actuateitintermittingly, and intermediate connections between the said crankpinand cross-bar to raise and lower the said cross-bar, substantially asdescribed.

5. The following instrumentalities, viz: a lay, a swivel-shuttle race, ashogging-bar, pinions and rack to actuate the swivel-shuttles, tworock-shafts having pulleys and connections between them and the saidrack-bar,

means to support the said rock-shafts and thel crank-pin, and means toaetnate it intermittingly, combined with strapping connecting the saidcrank-pin with the said rock-shafts, to operate substantially asdescribed.

6. The lay, a swivel-shuttle race, a shogging-bar, guides 127 for theends of the said bar, across-bar tosupporttheshoggingbarand theshogging-levers, combined with a crankpin, means to actuate itintermittently, and devices intermediate the crank-pin and theshogging-levers to operate them substantially as described.

7. The intermittingly-actuated crank-shaft d, the shogging-levers,connections between the said crankshaft and shogging-levers, therock-shafts mounted in theupper ends of the said shogging-levers andprovided with pulleys at their opposite ends, a crank-shaft e, and meansto actuate the said crank-shafts intermittingly, combined with arack-bar, gears to engage and move the swivel-shuttles,

strapping to connect the shaft c with a pulley on each rock-shaft at theupper ends of the shogging-levers, and strapping to connect the pulleysat the other ends of the said roekshafts with the said rack-bar, tooperate substantially as described.

' S. A loom containing the following instru-- mentalities, viz: a lay, aswivel-shuttle race, a supporting cross-bar, gears to engage theswivel-shuttles, the rack-bar to actuate the said gears, rock-shafts,strapping to connect them with the rack-bar, an intermittingly-rotatingcrank-shaft, strapping to connect it with the said rock-shafts, anintermittinglyrotating shaft f, intermediate connecting devices to raiseand lower the cross-bar, pinions having clutch-teeth and 'carried by thesaid intermittiugly-rotating shafts, and a series of movable teeth tointermittingly engage and rotate the said pinions and crank-shafts uponwhich they are mounted, whereby the said crankshafts are operated at thedesired times and are left at rest at other times, as and for thepurpose set forth.

9. A loom containing the following instrumentalities, viz: a lay, aswivel-shuttle race, a supporting cross-bar, gears to engage theswivel-shuttles, the rack-bar to actuate the said gears, rock-shafts,strapping to connect them with the rack-bar, an intermittingly-rotatingcrank-shaft, strapping to connect it with the said rock-shafts, aninterxnittinglyrotating shaft f, intermediate connecting devices toraise and lower the cross-bar, pinions having clutch-teeth and carriedby the said intermittingly-rotating shafts, anda series of movable teethto intermittingly engage and rotate the saidpinions and'cranlz-shaftsupon which they are mounted, a shogging-bar, shogginglevers,anintermittinglyoperatingcrank, means for intermittingly rotating it,and devices to connect it with the shogging-levers, to operatesubstantially as described.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

HORACE W YMAN.

Witnesses: i

JUSTIN A. WARE, JOHN B. SYME.

